<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="上级菜单" prop="parentId">
        <treeselect
          v-model="form.parentId"
          style="width: 200px"
          :options="menuOptions"
          :normalizer="normalizer"
          :show-count="true"
          placeholder="选择上级菜单"
        />
      </el-form-item>
      <el-form-item label="图片分类名称" prop="picName">
        <el-input
          v-model="queryParams.picName"
          placeholder="请输入图片分类名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="菜单id" prop="menuId">-->
<!--        <el-input-->
<!--          v-model="queryParams.menuId"-->
<!--          placeholder="请输入菜单id"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
<!--      <el-form-item label="菜单名称" prop="menuName">-->
<!--        <el-input-->
<!--          v-model="queryParams.menuName"-->
<!--          placeholder="请输入菜单名称"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['pic:category:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['pic:category:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['pic:category:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['pic:category:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="categoryList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
<!--      <el-table-column label="图片分类id" align="center" prop="picId" />-->
      <el-table-column label="图片分类名称" align="center" prop="picName" />
<!--      <el-table-column label="菜单id" align="center" prop="menuId" />-->
      <el-table-column label="菜单名称" align="center" prop="menuName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['pic:category:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['pic:category:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改图片分类管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>

      <el-form ref="form" :model="form" :rules="rules" label-width="110px">
        <el-form-item label="上级菜单" prop="parentId">
          <treeselect
            v-model="form.parentId"
            style="width: 200px"
            :options="menuOptions"
            :normalizer="normalizer"
            :show-count="true"
            placeholder="选择上级菜单"
            @select="selectDepart"
          />
        </el-form-item>
        <el-form-item label="图片分类名称" prop="picName">
          <el-input v-model="form.picName" placeholder="请输入菜单名称" />
        </el-form-item>
      </el-form>
<!--      <el-form ref="form" :model="form" :rules="rules" label-width="80px">-->
<!--        <el-form-item label="菜单Id" prop="menuId">-->
<!--          <el-input v-model="form.menuId" placeholder="请输入菜单名称" />-->
<!--        </el-form-item>-->
<!--      </el-form>-->
<!--      <el-form ref="form" :model="form" :rules="rules" label-width="80px">-->
<!--        <el-form-item label="菜单名称" prop="menuName">-->
<!--          <el-input v-model="form.menuName" placeholder="请输入菜单名称" />-->
<!--        </el-form-item>-->
<!--      </el-form>-->
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/pic/category";
import {listMenu} from "@/api/system/menu";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import Treeselect from "@riophae/vue-treeselect";
import IconSelect from "@/components/IconSelect";


export default {
  name: "Category",
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 菜单树选项
      menuOptions: [],

      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 图片分类管理表格数据
      categoryList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        picName: null,
        menuId: null,
        menuName: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        parentId:[
          { required: true, message: "上级菜单未选择", trigger: "blur" }
        ],
        picId: [
          { required: true, message: "图片分类id不能为空", trigger: "blur" }
        ],
        picName: [
          { required: true, message: "图片分类名称不能为空", trigger: "blur" }
        ],
        menuId: [
          { required: true, message: "菜单id不能为空", trigger: "blur" }
        ],
        menuName: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" }
        ]
      }
    };
  },
  watch:{
    'form.parentId':'currDeptChange'
  },
  created() {
    this.getTreeselect()
    this.getList();
  },
  methods: {
    // 获取当前选中部门的数据
    selectDepart(val) {
      console.log('selectDepart', val)
      this.form.menuName=val.menuName
      this.form.menuId=val.menuId
    },
    //监听选择项改变
    currDeptChange(val) {
      console.log('currDeptChange', val)
     this.queryParams.menuId=val
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then(response => {
        this.menuOptions = [];
        const menu = { menuId: 0, menuName: '主类目', children: [] };
        menu.children = this.handleTree(response.data, "menuId");
        this.menuOptions.push(menu);
        console.log('菜单树',this.menuOptions)
      });
    },
    /** 查询图片分类管理列表 */
    getList() {
      this.loading = true;
      console.log('搜索',this.queryParams)
      listCategory(this.queryParams).then(response => {
        this.categoryList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        picId: null,
        picName: null,
        menuId: null,
        menuName: null,
        parentId: null
      };
      this.queryParams={
        pageNum: 1,
          pageSize: 10,
          picName: null,
          menuId: null,
          menuName: null
      },
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.picId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加图片分类管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const picId = row.picId || this.ids
      getCategory(picId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改图片分类管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.picId != null) {
            updateCategory(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.reset();
              this.getList();
            });
          } else {
            addCategory(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.reset();
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      console.log('删除按钮接收数据',row)
      let idsSz=[]
      if(this.ids.length>0){
        for(let i=0;i<this.ids.length;i++){
          for (let j=0;j<this.categoryList.length;j++){
            if(this.categoryList[j].picId==this.ids[i]){
              idsSz.push(this.categoryList[j].picName)
            }
          }
        }
      }
      const picName = row.picName||idsSz;
      const picIds1 = row.picId || this.ids;
      this.$modal.confirm('是否确认删除图片分类名称为"' + picName + '"的数据项？').then(function () {
        return delCategory(picIds1);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('pic/category/export', {
        ...this.queryParams
      }, `category_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
